Open English Wordnet
Nouns
(n)splitter, dividera taxonomist who classifies organisms into many groups on the basis of relatively minor characteristics (n)dividera person who separates something into parts or groups (n)partition, dividera vertical structure that divides or separates (as a wall divides one room from another) (n)dividera drafting instrument resembling a compass that is used for dividing lines into equal segments or for transferring measurements